1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25 /*
26 * glue routine for gss_seal
27 */
28
29 #include <mechglueP.h>
30 #include "gssapiP_generic.h"
31
32
33 static OM_uint32
34 val_seal_args(
35 OM_uint32 *minor_status,
36 gss_ctx_id_t context_handle,
37 gss_buffer_t input_message_buffer,
38 gss_buffer_t output_message_buffer)
39 {
40
41 /* Initialize outputs. */
42
43 if (minor_status != NULL)
44 *minor_status = 0;
45
46 if (output_message_buffer != GSS_C_NO_BUFFER) {
47 output_message_buffer->length = 0;
48 output_message_buffer->value = NULL;
49 }
50
51 /* Validate arguments. */
52
53 if (minor_status == NULL)
54 return (GSS_S_CALL_INACCESSIBLE_WRITE);
55
56 if (context_handle == GSS_C_NO_CONTEXT)
57 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
58
59 if (input_message_buffer == GSS_C_NO_BUFFER)
60 return (GSS_S_CALL_INACCESSIBLE_READ);
61
62 if (output_message_buffer == GSS_C_NO_BUFFER)
63 return (GSS_S_CALL_INACCESSIBLE_WRITE);
64
65 return (GSS_S_COMPLETE);
66 }
67
68 /*ARGSUSED*/
69 OM_uint32
70 gss_seal(minor_status,
71 context_handle,
72 conf_req_flag,
73 qop_req,
74 input_message_buffer,
75 conf_state,
76 output_message_buffer)
77
78 OM_uint32 * minor_status;
79 gss_ctx_id_t context_handle;
80 int conf_req_flag;
81 int qop_req;
82 gss_buffer_t input_message_buffer;
83 int * conf_state;
84 gss_buffer_t output_message_buffer;
85 {
86 /* EXPORT DELETE START */
87
88 OM_uint32 status;
89 gss_union_ctx_id_t ctx;
90 gss_mechanism mech;
91
92 status = val_seal_args(minor_status,
93 context_handle,
94 input_message_buffer,
95 output_message_buffer);
96 if (status != GSS_S_COMPLETE)
97 return (status);
98
99 /*
100 * select the approprate underlying mechanism routine and
101 * call it.
102 */
103
104 ctx = (gss_union_ctx_id_t) context_handle;
105 mech = __gss_get_mechanism(ctx->mech_type);
106
107 if (mech) {
108 if (mech->gss_seal) {
109 status = mech->gss_seal(
110 mech->context,
111 minor_status,
112 ctx->internal_ctx_id,
113 conf_req_flag,
114 qop_req,
115 input_message_buffer,
116 conf_state,
117 output_message_buffer);
118 if (status != GSS_S_COMPLETE)
119 map_error(minor_status, mech);
120 } else
121 status = GSS_S_UNAVAILABLE;
122
123 return (status);
124 }
125 /* EXPORT DELETE END */
126
127 return (GSS_S_BAD_MECH);
128 }
129
130 OM_uint32
131 gss_wrap(minor_status,
132 context_handle,
133 conf_req_flag,
134 qop_req,
135 input_message_buffer,
136 conf_state,
137 output_message_buffer)
138
139 OM_uint32 * minor_status;
140 const gss_ctx_id_t context_handle;
141 int conf_req_flag;
142 gss_qop_t qop_req;
143 const gss_buffer_t input_message_buffer;
144 int * conf_state;
145 gss_buffer_t output_message_buffer;
146
147 {
148 return gss_seal(minor_status, (gss_ctx_id_t)context_handle,
149 conf_req_flag, (int) qop_req,
150 (gss_buffer_t)input_message_buffer, conf_state,
151 output_message_buffer);
152 }
153
154 /*
155 * New for V2
156 */
157 OM_uint32
158 gss_wrap_size_limit(minor_status, context_handle, conf_req_flag,
159 qop_req, req_output_size, max_input_size)
160 OM_uint32 *minor_status;
161 const gss_ctx_id_t context_handle;
162 int conf_req_flag;
163 gss_qop_t qop_req;
164 OM_uint32 req_output_size;
165 OM_uint32 *max_input_size;
166 {
167 gss_union_ctx_id_t ctx;
168 gss_mechanism mech;
169 OM_uint32 major_status;
170
171 if (minor_status == NULL)
172 return (GSS_S_CALL_INACCESSIBLE_WRITE);
173 *minor_status = 0;
174
175 if (context_handle == GSS_C_NO_CONTEXT)
176 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
177
178 if (max_input_size == NULL)
179 return (GSS_S_CALL_INACCESSIBLE_WRITE);
180
181 /*
182 * select the approprate underlying mechanism routine and
183 * call it.
184 */
185
186 ctx = (gss_union_ctx_id_t) context_handle;
187 mech = __gss_get_mechanism(ctx->mech_type);
188
189 if (!mech)
190 return (GSS_S_BAD_MECH);
191
192 if (mech->gss_wrap_size_limit)
193 major_status = mech->gss_wrap_size_limit(mech->context,
194 minor_status,
195 ctx->internal_ctx_id,
196 conf_req_flag, qop_req,
197 req_output_size,
198 max_input_size);
199 else
200 major_status = GSS_S_UNAVAILABLE;
201 if (major_status != GSS_S_COMPLETE)
202 map_error(minor_status, mech);
203 return major_status;
204 }